PHP Warning: PHP Startup: Suhosin Extension
does not officially support PHP 5.2 and below anymore, because it is
discontinued. Use it at your own risk. in Unknown on line 0

Since the php upgrade, you might have noticed these type of errors in your server logs. Must be wondering a perfect solution for this.

Actually you should be able to use the latest build, however some older scripts or applications might get in trouble, unless they are ready for latest php version. You need not to worry any more, as you have jumped to right place for it. Just follow the below given steps and you will be at rest.